Polygonaceous

1 definition found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Polygonaceous \Pol`y*go*na"ceous\, a. [See {Polygonum}.] (Bot.)
     Of or pertaining to a natural order of apetalous plants
     ({Polygonace[ae]}), of which the knotweeds (species of
     {Polygonum}) are the type, and which includes also the docks
     ({Rumex}), the buckwheat, rhubarb, sea grape ({Coccoloba}),
     and several other genera.


     [1913 Webster]